Home / 3,860.64-5,791.77-1,263.39

Finding the Fourth Proportional to 3,860.64, 5,791.77 and 1,263.39

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Solution

The fourth proportional to 3,860.64, 5,791.77 and 1,263.39 is: 1,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.64 : 5,791.77 = 1,263.39 : x
  2. Step 2: Convert to fraction form
    3,860.64/5,791.77 = 1,263.39/x
  3. Step 3: Cross multiply
    3,860.64x = 5,791.77 × 1,263.39
  4. Step 4: Simplify right side
    3,860.64x = 7,317,264.30
  5. Step 5: Solve for x
    x = 7,317,264.30/3,860.64
  6. Step 6: Final answer
    x = 1,895.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.